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Water system · PWSID LA1051003

GRETNA WATERWORKS

GRETNA, LA · ~17,026 people served

Check your exact address → GRETNA overview
100
Excellent
PurityRadar safety score

PWSID

LA1051003

State

Louisiana

City

GRETNA

Population served

17,026

Primary source

Surface water

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Dec 2023). Levels in parts per trillion (ppt).

Lithium

15,600 ppt

limit —

No federal limit

PFBA

5.1 ppt

limit —

No federal limit

Violations & enforcement

13

Violations on record

1

Unaddressed

9

Health-based

49

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2022. Official EPA record →

Reporting · EPA contaminant 5200 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2015 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2015 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began May 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2008 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2006 Resolved
Monitoring & reporting · Bromate began Jan 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2004 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2004 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2002 Resolved

Recent enforcement actions

  • State action · SIA Dec 2022
  • State action · SOX Jun 2022
  • State action · SOX Jan 2017
  • State action · SOX Oct 2015
  • State action · SIF Oct 2015
  • State action · SIE Sep 2015
  • State action · SIA Sep 2015
  • State action · SIF Jul 2015

This profile is built from EPA public records for system LA1051003 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.